Home / 28,564.56-39,419.51-16,458.36

Finding the Fourth Proportional to 28,564.56, 39,419.51 and 16,458.36

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Solution

The fourth proportional to 28,564.56, 39,419.51 and 16,458.36 is: 22,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.56 : 39,419.51 = 16,458.36 : x
  2. Step 2: Convert to fraction form
    28,564.56/39,419.51 = 16,458.36/x
  3. Step 3: Cross multiply
    28,564.56x = 39,419.51 × 16,458.36
  4. Step 4: Simplify right side
    28,564.56x = 648,780,404.31
  5. Step 5: Solve for x
    x = 648,780,404.31/28,564.56
  6. Step 6: Final answer
    x = 22,712.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.